她无疑是比赛中最好的歌手。

She is ___easily ___the ___best singer in the competition.

这个项目无疑是我职业生涯中最大的挑战。

This project is ___easily ___the ___biggest challenge of my career.

那无疑是我看过的最糟糕的电影。

That was ___easily ___the ___worst movie I have ever watched.